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Post Info TOPIC: Asteroid 2009 LS
Blobrana


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RE: Asteroid 2009 LS
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The 670 - 1500 metre wide asteroid 2009 LS will make a close pass (55.2 lunar distances, 0.1418 AU), travelling at 25.88 km/second, to the Earth-Moon system on the 28th November, 2012 @ 22:14 UT ±00:01. 

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



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Blobrana


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Orbital elements:
2009 LS                                                  Earth MOID = 0.0898 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 346.42235              (2000.0)            P               Q
n   0.69447913     Peri.  176.23952     +0.33985997     -0.65457710
a   1.2628834      Node   252.77065     +0.84337533     +0.52987473
e   0.2912967      Incl.   44.99312     +0.41618897     -0.53922314
P   1.42           H   18.0           G   0.15           U   3

MPEC 2010 - C51

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Blobrana


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2009 LS
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -4.10
Palermo Scale (cumulative) -3.55
Impact Probability (cumulative) 1.9e-08
Number of Potential Impacts 24
Vimpact 29.84 km/s
Vinfinity 27.68 km/s
H 17.5
Diameter 1.100 km
Mass 1.6e+12 kg
Energy 1.7e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
57 observations spanning 1.8776 days
(2009-Jun-12.39072 to 2009-Jun-14.26836)



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Blobrana


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Posts: 131433
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2009 LS
Earth Impact Risk Summary
Torino Scale (maximum) 0
Palermo Scale (maximum) -3.50
Palermo Scale (cumulative) -3.02
Impact Probability (cumulative) 6.1e-08
Number of Potential Impacts 35
Vimpact 29.84 km/s
Vinfinity 27.68 km/s
H 17.5
Diameter 1.100 km
Mass 1.7e+12 kg
Energy 1.8e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
48 observations spanning 1.5820 days
(2009-Jun-12.39072 to 2009-Jun-13.972687)



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Blobrana


L

Posts: 131433
Date:
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Orbital elements:
2009 LS PHA, Earth MOID = 0.0496 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 194.32633 (2000.0) P Q
n 0.67815823 Peri. 183.42435 +0.25079368 -0.66929797
a 1.2830651 Node 253.12268 +0.90462127 +0.41923766
e 0.2701987 Incl. 46.95912 +0.34461992 -0.61341667
P 1.45 H 17.6 G 0.15 U 9


MPEC 2009 - L42

2009 LS
Earth Impact Risk Summary
Torino Scale (maximum)0
Palermo Scale (maximum)-4.16
Palermo Scale (cumulative)-3.11
Impact Probability (cumulative)9.7e-08
Number of Potential Impacts48
Vimpact28.46 km/s
Vinfinity26.18 km/s
H17.6
Diameter1.000 km
Mass1.4e+12 kg
Energy1.4e+05 MT
all above are mean values
weighted by impact probability
Analysis based on
37 observations spanning .59689 days
(2009-Jun-12.39072 to 2009-Jun-12.98761)



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